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"OESPJEΞϓϦΛ࡞Δ
,.$OPOZMFOF
ը૾ؔɾ+BWB͔ΒͷϨΠΞτɾઃఆ
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ࣗݾհ
w OPOZMFOF ͷʹΕΜ
w ,.$ճ
w ΧʔϏΟͰ͢
w ϙέϞϯϐΫϩεপ
w SPPU
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ࣗݾհ
w OPOZMFOF ͷʹΕΜ
w εϚϗΞϓϦͱ͔
w 5XJUUFS(JU)VCFUD
w IUUQOPOZMFOFIBUFOBCMPHKQ
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͜ΜΜ
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ࠓΔ͜ͱ
ը૾ؔ *NBHF7JFX
ϨΠΞτGSPN+BWB
ઃఆอଘ
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ը૾ؔ
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*NBHF7JFX
w Drawable Λදࣔ͢ΔͨΊͷView
௨ৗͷ View ͷ background ͰදࣔͰ͖Δ͕ɺେ͖͞มߋͳͲ͕Ͱ͖ͳ͍.
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"OESPJEͷը૾ͷදݱ
• Bitmap
w ը૾Λද͢
• Drawable
w ʮը໘ʹදࣔ͞ΕΔͷʯΛද͢
w ը૾͔͠Εͳ͍͠ɺͨͩͷ৭͔͠Εͳ͍
w ImageViewഎܠͰදࣔ͞ΕΔͷ͜Ε
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"OESPJEͷը૾ͷදݱ
"OJNBUJPO
%SBXBCMF
#JUNBQ
$PMPS
"OJNBUJPO
#JUNBQ%SBXBCMF
$PMPS%SBXBCMF
%SBXBCMF
$POWFSU
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ը૾Λஔ
• res/drawable/ ʹ Drawable Λઃஔ͢Δ
w ࠓճը૾ 1/('JMF
w 9.-Ͱهड़͢Δ͜ͱՄೳ
w ϑΝΠϧΛίϐʔ͢ΔPS
"OESPJE4UVEJPܦ༝Ͱίϐʔ͢Δ
ղ૾ผʹ࠷దͳը૾Λ༻ҙ͢Δ͜ͱͰ͖Δ (drawable-hdpi ͳͲ)
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ஔྫ
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ը૾Λදࣔ
• android:src
• ImageView Ͱදࣔ͢Δ Drawable Λઃఆ
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ը૾Λදࣔ
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ը૾Λදࣔ
w ิ
w android:scaleTypeͰը૾ͷ֦େํ๏ΛબΔ
w ৄࡉলུ
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-BZPVU
GSPN+BWB
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+BWBͰͷϨΠΞτ
w 9.-ʹॻ͍͍֤ͯͨView+BWBͷΫϥε
• TextView -> android.widget.TextView
• EditText -> android.widget.EditText
• શͯ View ΫϥεͷࢠΫϥε
XML Ͱ android.widget ʹ͋Δ View ಛผʹύοέʔδ໊ΛলུͰ͖͍ͯͨ.
ಠࣗͷ View ͷ߹লུͰ͖ͳ͍.
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7JFXͷຊ࣭+BWB
w 7JFXͷॳظԽ7JFXͷίϯετϥΫλͰ։࠵
9.-Λύʔεʢղੳʣ
7JFXͷॳظԽॲཧΛ࣮ߦ
ɾ ྫandorid:text #setText(…)
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7JFXΛऔಘ
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7JFXΛऔಘ
• View #findViewById(int id)
w ActivityViewGroupʹੜ͑ͯΔ
w ࢦఆͨ͠idͷViewΛऔಘ
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7JFXΛऔಘ
* MainActivity.java
// setContentView લʹߦ͏ͱ View ͕औಘͰ͖ͳ͍
setContentView(R.layout.activity_main);
EditText editText =
(EditText) findViewById(R.id.post_edit);
Button submitButton =
(Button) findViewById(R.id.post_button);
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* MainActivity.java
// setContentView લʹߦ͏ͱ View ͕औಘͰ͖ͳ͍
setContentView(R.layout.activity_main);
EditText editText =
(EditText) findViewById(R.id.post_edit);
Button submitButton =
(Button) findViewById(R.id.post_button);
7JFXΛऔಘ
*%͕FEJU@UFYUͷ7JFXΛऔಘ
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* MainActivity.java
// setContentView લʹߦ͏ͱ View ͕औಘͰ͖ͳ͍
setContentView(R.layout.activity_main);
EditText editText =
(EditText) findViewById(R.id.post_edit);
Button submitButton =
(Button) findViewById(R.id.post_button);
7JFXΛऔಘ
&EJU5FYUʹΩϟετͯ͠ೖ
findViewById ͷฦΓ View ݻఆͳͷͰΩϟετ͢Δඞཁ͕͋Δ
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7JFXΛ
+BWB͔Βૢ࡞
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7JFXΛૢ࡞
w 7JFXͷؔΛݺͿ͜ͱͰૢ࡞͕Մೳ
editText.setHint(“KMC");
editText.setVisibility(View.GONE);
imageView.setImageResource(R.drawable.kirby);
// pixel ୯ҐͳͷͰҙ
submitButton.setWidth(300);
// ॻ͔Εͨจࣈྻ͕ฦͬͯ͘Δ
editText.getText();
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w ͓͢͢Ί͠·ͤΜ
w දࣔ͢Δ͚ͩͷίʔυ͕͘ෳࡶʹͳΔ
w ࣮ࡍͬͯΔਓ͍Δ͚Ͳʜ
w දࣔͷઃఆͱڍಈͷઃఆ͚͍ͨ
w 9.-ʹॻ͚Δ෦ॻ͘͜ͱ͕ଟ͍
શ෦+BWBͰॻ͚ศརʁ
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ΫϦοΫ࣌ͷڍಈ
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ΫϦοΫ࣌ͷڍಈ
• View#setOnClickListener(
OnClickListener listener)
• ΫϦοΫ͞Εͨ࣌ʹݺΕΔϦεφΛઃఆ͢Δ
• View.OnClickListener Λઃఆ
• View.OnCliclListener ͱʁ
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7JFX0O$MJDL-JTUFOFS
w ϝιου͕Ұͭઃఆ͞ΕͨΠϯλʔϑΣʔε
w ΫϦοΫ࣌ʹonClick͕ݺͼग़͞ΕΔ
* View.java (Android SDK)
public interface OnClickListener {
void onClick(View v);
}
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ΫϦοΫͰτʔετ
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* MainActivity.java
submitButton.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(v.getContext(),
“clicked!”, Toast.LENGTH_LONG
).show();
}
}
);
ϘλϯΫϦοΫͰτʔετɹ
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* MainActivity.java
submitButton.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(v.getContext(),
“clicked!”, Toast.LENGTH_LONG
).show();
}
}
);
ϘλϯΫϦοΫͰτʔετɹ
0O$MJDL-JTUFOFSͷແ໊ΦϒδΣΫτ
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* MainActivity.java
submitButton.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(v.getContext(),
“clicked!”, Toast.LENGTH_LONG
).show();
}
}
);
ϘλϯΫϦοΫͰτʔετɹ
ΫϦοΫ͢ΔͱݺΕΔؔ
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* MainActivity.java
submitButton.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(v.getContext(),
“clicked!”, Toast.LENGTH_LONG
).show();
}
}
);
ϘλϯΫϦοΫͰτʔετɹ
τʔετΛදࣔ
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ϘλϯΫϦοΫͰτʔετɹ
ˠ
Click
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ઃఆอଘ
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ઃఆอଘ
w ͍͔ͭ͘ͷํ๏͕͋Δ
w 4IBSFE1SFGFSFODF
w ࠓճΓ·͢
w 4RMJUF σʔλϕʔε
w ֎෦ϥΠϒϥϦ
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4IBSFE1SFGFSFODF
w ઃఆͳͲΛอଘ͢ΔΈ
w ΩʔόϦϡʔܗࣜͰอଘ
w த9.-
w อଘͰ͖ΔܕݶΒΕ͍ͯΔ
• int, long, float, boolean, String, Set
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4IBSFE1SFGFSFODF
w ෳͷ9.-ϑΝΠϧʹอଘͰ͖Δ
w ϑΝΠϧ͝ͱʹΩʔ໊Ұҙ
w ࠓճσϑΥϧτͷ9.-ϑΝΠϧΛ༻
w ϑΝΠϧΛؒҧ͑ͯϋϚΒͳ͍Α͏ʹ
w ؒҧ͑ͯެ։͞ΕΔ͜ͱ͕ͳ͍Α͏ʹ
w ઃఆʹΑͬͯଞͷΞϓϦͰಡΈऔΕͯ͠·͏
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4IBSFE1SFGFSFODF
• σϑΥϧτͷ SharedPreferences Λऔಘ
• ϑΝΠϧ͝ͱͷઃఆ (SharedPreference)
Λཧ͢ΔΫϥε
SharedPreferences sharedPreferences =
PreferenceManager.getDefaultSharedPreferences(context);
Static ϝιου
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4IBSFE1SFGFSFODFT
w อଘ
sharedPreferences.edit()
.putInt("hoge", 1)
.putString("piyo", "piyoipyo")
.putBoolean("foo", true)
.apply();
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4IBSFE1SFGFSFODFT
w อଘ
sharedPreferences.edit()
.putInt("hoge", 1)
.putString("piyo", "piyoipyo")
.putBoolean("foo", true)
.apply();
4IBSFE1SFGFSFOFT&EJUPSΛऔಘ
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w อଘ
sharedPreferences.edit()
.putInt("hoge", 1)
.putString("piyo", "piyoipyo")
.putBoolean("foo", true)
.apply();
4IBSFE1SFGFSFODFT
ΩʔͱΛ֨ೲ
put~~~ ͷฦΓ editor ࣗͳͷͰ͜ͷΑ͏ʹॻ͚Δ ʢνΣʔϯϝιουͱ͍͏ʣ.
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w อଘ
sharedPreferences.edit()
.putInt("hoge", 1)
.putString("piyo", "piyoipyo")
.putBoolean("foo", true)
.apply();
4IBSFE1SFGFSFODFT
ઃఆΛө
commit() ಉظతͰ͕͔͔࣌ؒΔͷͰඇਪ
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4IBSFE1SFGFSFODFT
w औΓग़͠
sharedPreferences.getInt("hoge", 0);
sharedPreferences.getString("piyo", null);
sharedPreferences.getBoolean("foo", false);
ΩʔͱσϑΥϧτΛࢦఆ